<template>
  <div class="scroll">
    <example-card title="表单验证" url="http://element.eleme.io/#/zh-CN/component/form#biao-dan-yan-zheng">
      <div>
        <el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
          <el-form-item label="活动名称" prop="name">
            <el-input v-model="ruleForm.name" />
          </el-form-item>
          <el-form-item label="活动区域" prop="region">
            <el-select v-model="ruleForm.region" placeholder="请选择活动区域">
              <el-option label="区域一" value="shanghai" />
              <el-option label="区域二" value="beijing" />
            </el-select>
          </el-form-item>
          <el-form-item label="活动时间" required>
            <el-col :span="11">
              <el-form-item prop="date1">
                <el-date-picker type="date" placeholder="选择日期" v-model="ruleForm.date1" style="width: 100%;"></el-date-picker>
              </el-form-item>
            </el-col>
            <el-col class="line" :span="2">-</el-col>
            <el-col :span="11">
              <el-form-item prop="date2">
                <el-time-picker type="fixed-time" placeholder="选择时间" v-model="ruleForm.date2" style="width: 100%;"></el-time-picker>
              </el-form-item>
            </el-col>
          </el-form-item>
          <el-form-item label="即时配送" prop="delivery">
            <el-switch v-model="ruleForm.delivery" />
          </el-form-item>
          <el-form-item label="活动性质" prop="type">
            <el-checkbox-group v-model="ruleForm.type">
              <el-checkbox label="美食/餐厅线上活动" name="type" />
              <el-checkbox label="地推活动" name="type" />
              <el-checkbox label="线下主题活动" name="type" />
              <el-checkbox label="单纯品牌曝光" name="type" />
            </el-checkbox-group>
          </el-form-item>
          <el-form-item label="特殊资源" prop="resource">
            <el-radio-group v-model="ruleForm.resource">
              <el-radio label="线上品牌商赞助" />
              <el-radio label="线下场地免费" />
            </el-radio-group>
          </el-form-item>
          <el-form-item label="活动形式" prop="desc">
            <el-input type="textarea" v-model="ruleForm.desc" />
          </el-form-item>
          <el-form-item>
            <el-button type="primary" @click="submitForm('ruleForm')">立即创建</el-button>
            <el-button @click="resetForm('ruleForm')">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </example-card>
  </div>
</template>

<script>
  export default {
    name: "forms_valid_view",
    data() {
      return {
        ruleForm: {
          name: "",
          region: "",
          date1: "",
          date2: "",
          delivery: false,
          type: [],
          resource: "",
          desc: ""
        },
        rules: {
          name: [
            // 自定义验证
            { validator: this.validName, trigger: "change" },
          ],
          region: [
            { required: true, message: "请选择活动区域", trigger: "change" }
          ],
          date1: [
            { type: "date", required: true, message: "请选择日期", trigger: "change" }
          ],
          date2: [
            { type: "date", required: true, message: "请选择时间", trigger: "change" }
          ],
          type: [
            { type: "array", required: true, message: "请至少选择一个活动性质", trigger: "change" }
          ],
          resource: [
            { required: true, message: "请选择活动资源", trigger: "change" }
          ],
          desc: [
            { required: true, message: "请填写活动形式", trigger: "blur" }
          ]
        }
      };
    },
    methods: {
      submitForm(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            alert("submit!");
          } else {
            console.log("error submit!!");
            return false;
          }
        });
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
      },
      validName(rule, value, callback) {
        if (!value) {
          callback("请输入活动名称");
          return;
        }
        if (value.length < 3 || value.length > 5) {
          callback("长度在 3 到 5 个字符");
          return;
        }
        setTimeout(() => {
          callback("异步验证失败");
        }, 1200);
      }
    }
  };
</script>

<style scoped>
  /deep/ .el-form {
    width: 460px;
  }
</style>
